Meritor-Rockwell RS 21-145 Axles &amp; Differentials For Sale

(833) 541-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Differential for a 1994 Ford F700

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GOOD INSPECTED TAKE OUT 90/180 DAY WARR., Ratio: 4.1

Condition	Used
Rear End	4.10 ratio
Fits To Make(s)	Ford
Fits To Model(s)	F700
Will Fit Year(s)	1994
Stock Number	71216-13
MLS Number	9002019
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(844) 604-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Axle Assembly for a 2009 Freightliner M2 106

$1,500 USD

Good Used Meritor Rockwell RS-21-145 Rear Axle Assembly From A 2009 Freightliner M2 106 Gear Ratio Is 5.29 Please See All Photos Please Call Or Email With Any Questions, Serial#: N/A, Ratio:...

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2009
Stock Number	250173-2
MLS Number	13598546
Category	Axle Assemblies, Rear
Last Updated	5/14/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

(833) 835-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Axle Assembly for a 2012 Blue Bird BB Conventional

$750 USD

Meritor Rockwell RS21-145 Single Rear Differential Assembly For Sale 5.29 Ratio - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship...

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	Blue Bird
Fits To Model(s)	BB Conventional
Will Fit Year(s)	2012
Part Number	TBD
Stock Number	BB-0815-10
MLS Number	12490101
Category	Axle Assemblies, Rear
Last Updated	5/15/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

(844) 402-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Axle Assembly for a 2011 Freightliner M2 106

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(Used) 2011 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00016-526, Serial Number: DRA10029308, Make: Meritor, Model: RS21-145N, Ratio: 5.57, Capacity: 17,500 Lbs, ...

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2011
Part Number	C11-00016-526
Stock Number	P-100748
MLS Number	13534173
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 980-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Differential for a 2001 Freightliner CENTURY CLASS

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ABS, Ratio: 342

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	CENTURY CLASS
Will Fit Year(s)	2001
Stock Number	J85519-4
MLS Number	9390367
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 624-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Differential for a 2005 Freightliner M-2

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HAS E-BRAKE ON ,3.90 RATIO, HAS LOCK, Ratio: 3.9

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M-2
Will Fit Year(s)	2005
Stock Number	2930-FRTLR-3
MLS Number	13342040
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 624-___ SHOW
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Meritor-Rockwell RS 21-145 Rear Differential for a 2001 Freightliner FL70

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20,000LBS, Ratio: 4.11

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	FL70
Will Fit Year(s)	2001
Stock Number	2333-FRTLR-6
MLS Number	13338510
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.